[INFO] cloning repository https://github.com/SnowballSH/Iceburn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SnowballSH/Iceburn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnowballSH%2FIceburn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnowballSH%2FIceburn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 77b5527e7e7c598cac4c99b636c88ac1689db3d4 [INFO] documenting SnowballSH/Iceburn against 1.61.0 for beta-1.62-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnowballSH%2FIceburn" "/workspace/builds/worker-29/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SnowballSH/Iceburn on toolchain 1.61.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/SnowballSH/Iceburn [INFO] finished tweaking git repo https://github.com/SnowballSH/Iceburn [INFO] tweaked toml for git repo https://github.com/SnowballSH/Iceburn written to /workspace/builds/worker-29/source/Cargo.toml [INFO] crate git repo https://github.com/SnowballSH/Iceburn already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating git repository `https://github.com/niklasf/shakmaty` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded array-macro v2.1.0 [INFO] [stderr] Downloaded btoi v0.4.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2fcd421c9adc5707883dd17a63b1cd5647726c5dbddb3975674e2ba23140a230 [INFO] running `Command { std: "docker" "start" "-a" "2fcd421c9adc5707883dd17a63b1cd5647726c5dbddb3975674e2ba23140a230", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2fcd421c9adc5707883dd17a63b1cd5647726c5dbddb3975674e2ba23140a230", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2fcd421c9adc5707883dd17a63b1cd5647726c5dbddb3975674e2ba23140a230", kill_on_drop: false }` [INFO] [stdout] 2fcd421c9adc5707883dd17a63b1cd5647726c5dbddb3975674e2ba23140a230 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ecda359a2bed0ef60365bc6712be41cb347226e12038ce1aea8990b87dcc19b1 [INFO] running `Command { std: "docker" "start" "-a" "ecda359a2bed0ef60365bc6712be41cb347226e12038ce1aea8990b87dcc19b1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.103 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking arrayvec v0.7.1 [INFO] [stderr] Checking array-macro v2.1.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking libloading v0.7.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Checking btoi v0.4.2 [INFO] [stderr] Compiling shakmaty v0.19.0 (https://github.com/niklasf/shakmaty#dc9ec566) [INFO] [stderr] Documenting iceburn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(core_intrinsics)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this URL is not a hyperlink [INFO] [stdout] --> src/ordering.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | /// https://www.chessprogramming.org/History_Heuristic [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(rustdoc::bare_urls)]` on by default [INFO] [stdout] = note: bare URLs are not automatically turned into clickable links [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this URL is not a hyperlink [INFO] [stdout] --> src/ordering.rs:91:8 [INFO] [stdout] | [INFO] [stdout] 91 | ///https://www.chessprogramming.org/Killer_Heuristic [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `` [INFO] [stdout] | [INFO] [stdout] = note: bare URLs are not automatically turned into clickable links [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this URL is not a hyperlink [INFO] [stdout] --> src/weight.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | /// https://www.chessprogramming.org/PeSTO%27s_Evaluation_Function [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `` [INFO] [stdout] | [INFO] [stdout] = note: bare URLs are not automatically turned into clickable links [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not document `iceburn` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name iceburn src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e8d926a1567cc637 -L dependency=/opt/rustwide/target/debug/deps --extern array_macro=/opt/rustwide/target/debug/deps/libarray_macro-f90a11227301638f.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-f16bdcab26ab0d2c.rmeta --extern shakmaty=/opt/rustwide/target/debug/deps/libshakmaty-f79947130a849754.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1) [INFO] running `Command { std: "docker" "inspect" "ecda359a2bed0ef60365bc6712be41cb347226e12038ce1aea8990b87dcc19b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ecda359a2bed0ef60365bc6712be41cb347226e12038ce1aea8990b87dcc19b1", kill_on_drop: false }` [INFO] [stdout] ecda359a2bed0ef60365bc6712be41cb347226e12038ce1aea8990b87dcc19b1